Expansible wrist band





1. AN EXPANSIBLE WRIST BAND COMPRISING IN COMBINATION A WIRE WOUND INTOA FLATTENED RECTANGULAR HELICAL COIL HAVING A LONGITUDINAL AXIS ANDFORMING SUCCESSIVE PAIRS OF CONVOLUTIONS EACH HAVING TWO MAJOR SIDEELEMENTS EXTENDING TRANSVERSELY OF SAID LONGITUDINAL AXIS AND FACINGOPPOSITE DIRECTIONS, A FIRST STRIP OF FOLDABLE MATERIAL LOOPED OVER THEMAJOR SIDE ELEMENTS FACING A SAME DIRECTION IN THE SUCCESSIVE PAIRS OFCONVOLUTIONS AND WOUND BETWEEN ANY TWO SUCCESSIVE PAIRS OVER THE MAJORSIDE ELEMENT FACING THE OTHER DIRECTION IN THE SECOND CONVOLUTION OF THEFIRST OF THE TWO SUCCESSIVE PAIRS, AND A SECOND STRIP EXTENDINGOUTWARDLY OF THE LAST-MENTIONED MAJOR ELEMENT FACING THE OTHER DIRECTIONOF SAID SECOND CONVOLUTION OF EACH PAIR AND INWARDLY OF THE MAJORELEMENT FACING SAID OTHER DIRECTION OF THE FIRST CONVOLUTION OF EACHPAIR.